Start the SSH server in Ubuntu

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Run the following command on the terminal:

SSH localhost

If the following error occurs, it is likely that the ssh-server has not been installed:

SSH: connect to host localhost port 22: Connection refused

Install SSH-Server:

Sudo apt-Get install OpenSSH-Server

Start ssh-Server

Sudo/etc/init. d/ssh start

Run the SSH localhost command to test the connection.

How to Set Up Automatic startup of SSH and other services with the system startup

Method 1: VI/etc/rc. local Add: Service sshd start or/etc/init. d/sshd start Method 2: Enter/etc/rc. d. Then enter the corresponding running level, for example, rc3.d. change the SSH service with K headers to starting with S modify sshd_config in/etc/ssh locate the port and change it to the desired port. Find permitrootlogin and remove the preceding comment. Yes: allow the root user to log on remotely, no indicates that root remote logon is not allowed.